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Apache Lucene

High-performance, full-featured text search engine library written entirely in Java.

19 Alternatives To Apache Lucene

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Algolia

Algolia’s Search API makes it easy to deliver a great search experience in your apps & websites. Algolia Search provides hosted full-text, numerical, faceted and geolocalized search.

Amazon CloudSearch

Amazon CloudSearch is a fully-managed service in the cloud that makes it easy to set up, manage, and scale a search solution for your website.

Amazon Elasticsearch Service

Amazon Elasticsearch Service is a managed service that makes it easy to deploy, operate, and scale Elasticsearch in the AWS Cloud.

Apache Solr

Solr is an open source enterprise search server based on Lucene search library, with XML/HTTP and…

AppWise

AppWise is an intelligent workspace that unifies enterprise apps into a single, searchable view.
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ArangoDB

A distributed open-source database with a flexible data model for documents, graphs, and key-values.
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Azure Search

Azure Search makes it easy to add powerful and sophisticated search capabilities to your website or…
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Google Cloud Search

Search across all your company’s content in G Suite.

MS SharePoint

Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint

Microsoft Bing News Search API

Integrate news search functionality into your apps with the Bing News Search API from Microsoft Azure. Try the news API online to see it in action.
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PIPL Professional People Search Engine

PIPL professional search is used to find the person behind an email,phone or social profile and covers over 3 Billion people worldwide.
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Prerender

Allow your AngularJS, BackboneJS, or EmberJS apps to be crawled perfectly by search engines. View on Github.
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Semaphore

Semaphore is a fully managed, high performance testing and deployment solution for your company. A Continuous Integration tool.
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Swiftype Site Search

Swiftype Site Search helps to sell more, get the right answer to more people on the platform and surface relevant content for readers and followers.